Well, Castle's excitement surely is refreshing. To the Doctor it looks like he can barely contain it.

"Apart from being in a teen-aged body and human, I'm well, thank you. It's definitely up there with one of the stranger changes we've gone through and you like the magic I see."

He points to the trunk and brooms. "What do you think of those? I've been reading the rule book and it's not like any game I've come across before. Exciting, of course, to a certain extent..."